Black Flux A.—

Red lead3 parts
Calcined borax  1/2 part
Lynn sand1 part

Run down.

Black No. 2.—

Oxide of copper1 part
Carbonate of cobalt  1/2 part
Flux No. 8 (see next column)4 parts

Grind only.

Enamel White.—

Arsenic 2 1/2 parts
Niter 1 1/2 parts
Borax 4 parts
Flint16 parts
Glass16 parts
Red lead32 parts

Glost fire.

Turquoise.—China: